The top Yukawa coupling from 10D supergravity with E_8 x E_8 matter
Konstantin Zyablyuk
TL;DR
This paper derives the value of the top Yukawa coupling at the GUT scale within a 10-dimensional supergravity framework compactified to four dimensions, connecting string theory and particle physics.
Contribution
It provides a novel calculation of the top Yukawa coupling based on supergravity compactification and group embedding techniques.
Findings
Top Yukawa coupling at GUT scale is $oxed{ rac{ ext{sqrt}(16 ext{pi} ext{alpha}_{GUT}/3)}}$.
Connects supergravity compactification with particle physics parameters.
Offers a theoretical prediction for the top quark's Yukawa coupling.
Abstract
We consider the compactification of N=1, D=10 supergravity with E_8 x E_8 Yang-Mills matter to N=1, D=4 model with 3 generations. With help of embedding SU(5)->SO(10)->E_6->E_8 we find the value of the top Yukawa coupling at the GUT scale.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Particle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions